Home / 18,636.13-25,726.43-11,566.72

Finding the Fourth Proportional to 18,636.13, 25,726.43 and 11,566.72

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Solution

The fourth proportional to 18,636.13, 25,726.43 and 11,566.72 is: 15,967.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,636.13 : 25,726.43 = 11,566.72 : x
  2. Step 2: Convert to fraction form
    18,636.13/25,726.43 = 11,566.72/x
  3. Step 3: Cross multiply
    18,636.13x = 25,726.43 × 11,566.72
  4. Step 4: Simplify right side
    18,636.13x = 297,570,225.94
  5. Step 5: Solve for x
    x = 297,570,225.94/18,636.13
  6. Step 6: Final answer
    x = 15,967.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.